#include "stdio.h"
#include "time.h"
#include "stdlib.h"

#define num_suits 4
#define num_ranks 13
#define true 1
#define false 0

void main()
{
    char in_hand[num_suits][num_ranks]={0};
    const char ranks_code[]={'2','3','4','5','6','7','8','9','10','j','q','k','a'};
    const char suits_code[]={'c','d','h','s'};
    int suits,ranks,num_cards;
    printf("Enter number of cards in hand:\n");
    scanf("%d",&num_cards);
    srand(time(0));
    printf("your hand:\n");
    while(num_cards>0)
    {
        if(num_cards>52)
        {
        printf("error\n");
        break;
        }
     suits=rand()%num_suits;
     ranks=rand()%num_ranks;
     if(!in_hand[suits][ranks])
     {
            in_hand[suits][ranks]=true;
        num_cards--;
        printf("%c  %c\n",suits_code[suits],ranks_code[ranks]);
    }
    }
}

呵呵我也是新手 琢磨了老一会才写出来的